Tour de France cycling champion and Olympic gold medallist Bradley Wiggins is recovering in hospital after a collision with a car.

Wiggins, 32, was thrown off his bike when a white Vauxhall Astra Envoy is thought to have pulled out of a petrol station and collided with him.

A police source said his injuries from the crash were thought to be very serious at first, but later it appeared he suffered a number of broken ribs and cuts and bruises. The driver of the Astra, a local woman, was uninjured.

The accident happened at about 6pm on Wednesday in Wrightington, Lancashire, which is near to his family home in Eccleston. Father-of-two Wiggins is known to regularly embark on training rides around the area's rural roads.

Garage attendant Yasmin Smith, who rushed to Wiggins's aid, told the Lancashire Evening Post: "By the time I got there he had moved to a safer place but was still on the ground and he was in a lot of pain. He said he thought he had broken his ribs and while a lot of police cars arrived it was about 15 minutes before the ambulance got there, by which time he was blue."

Ms Smith told ITV's Daybreak she was in the garage's office when she heard a screeching of tyres and a loud bang, so rushed outside to help. She said: "I came straight outside to see a gentleman sat on the pavement, but I didn't realise who he was. I just went over to help. The ambulance and the police had been called."

Ms Smith said the driver was in shock. She said: "She was very upset, even more upset when the police actually said 'do you realise who you've hit?'. That really put her back, because obviously she felt bad enough."

Ms Smith said Wiggins's wife Cath was on the scene within about five minutes.

In a statement on its website, Team Sky said: "We can confirm that on Wednesday evening Bradley Wiggins was involved in a road traffic accident whilst riding his bike near his home in Lancashire. He is being kept in hospital overnight for observation but the injuries he has sustained are not thought to be serious and he is expected to make a full and speedy recovery. We will announce more details in due course."

AA president Edmund King said: "This collision should act as a reminder to all drivers that we need to be more vigilant particularly when pulling out of entrances and turning at junctions. With autumnal weather and darker evenings it is essential to check and double check for cyclists, pedestrians and indeed other road users before pulling out."